Still, whatever faint accommodations he grants it, for Idle, structure is the enemy of joy, which every aspect of "Spamalot" is relentlessly intent on delivering, not only from a few well-performed and well-known old Monty Python bits (the Knights Who Say "Ni!"; the French Taunter; the Black Knight) but also through amusing allusions to classic Broadway musicals that Aaron Sorkin was never given the chance to ruin. To be sure, it is fan service on a couple fronts, forming a Venn Diagram highlighting anyone who adores, for example, how Idle's brainy, irreverent silliness transforms Stephen Sondheim's song "Another Hundred People" from "Company" into a running plague count. It takes incredibly varied abilities to appealingly belt out Sondheim while landing that joke, which Ethan Slater, as the dejected Prince Herbert, does impressively and without remotely shortchanging either responsibility.
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